/*
 * Copyright 2020 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { ActionType, Message, MessageAction } from './types';

export const messageReducer = (state: Message[] = [], action: MessageAction): Message[] => {
  switch (action.type) {
    case ActionType.RECEIVE_MESSAGE: {
      return [...state, { ...action.payload, status: 'new' }];
    }
    case ActionType.READ_MESSAGE: {
      return state.map((message) => (
        message.id === action.id ? { ...message, status: 'read' } : message
      ));
    }
    default:
      return state;
  }
};
